Analysis
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max time kernel
120s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-12-2024 10:32
Behavioral task
behavioral1
Sample
44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe
Resource
win7-20240903-en
General
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Target
44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe
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Size
911KB
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MD5
364b4bd7eaa2e18cd24131ee65f640d5
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SHA1
f9c03666182cf01b87495085caf3891b5c0bd43c
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SHA256
44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492
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SHA512
c19d9b65ebd1cce8fab62def44647d84827e23fbcb55a04fc0ba9bb53e368751a92c81217b366b4a472e4b9f3aa3e3c658db800cbd145c14ac8a8257c2c68689
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SSDEEP
24576:sCUKoN0bUxgGa/pfBHDb+y1HgZfUD0QZh9ug:sNK1A6CHg
Malware Config
Signatures
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Darkcomet family
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\MSDCSC\\msdcsc.exe" LOUBNA.EXE -
Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" msdcsc.exe -
Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" msdcsc.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" msdcsc.exe -
Disables Task Manager via registry modification
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Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 2128 attrib.exe 2244 attrib.exe -
Executes dropped EXE 2 IoCs
pid Process 2092 LOUBNA.EXE 2832 msdcsc.exe -
Loads dropped DLL 4 IoCs
pid Process 1600 44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe 1600 44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe 2092 LOUBNA.EXE 2092 LOUBNA.EXE -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\image = "C:\\MSDCSC\\msdcsc.exe" LOUBNA.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DllHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language LOUBNA.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2832 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2092 LOUBNA.EXE Token: SeSecurityPrivilege 2092 LOUBNA.EXE Token: SeTakeOwnershipPrivilege 2092 LOUBNA.EXE Token: SeLoadDriverPrivilege 2092 LOUBNA.EXE Token: SeSystemProfilePrivilege 2092 LOUBNA.EXE Token: SeSystemtimePrivilege 2092 LOUBNA.EXE Token: SeProfSingleProcessPrivilege 2092 LOUBNA.EXE Token: SeIncBasePriorityPrivilege 2092 LOUBNA.EXE Token: SeCreatePagefilePrivilege 2092 LOUBNA.EXE Token: SeBackupPrivilege 2092 LOUBNA.EXE Token: SeRestorePrivilege 2092 LOUBNA.EXE Token: SeShutdownPrivilege 2092 LOUBNA.EXE Token: SeDebugPrivilege 2092 LOUBNA.EXE Token: SeSystemEnvironmentPrivilege 2092 LOUBNA.EXE Token: SeChangeNotifyPrivilege 2092 LOUBNA.EXE Token: SeRemoteShutdownPrivilege 2092 LOUBNA.EXE Token: SeUndockPrivilege 2092 LOUBNA.EXE Token: SeManageVolumePrivilege 2092 LOUBNA.EXE Token: SeImpersonatePrivilege 2092 LOUBNA.EXE Token: SeCreateGlobalPrivilege 2092 LOUBNA.EXE Token: 33 2092 LOUBNA.EXE Token: 34 2092 LOUBNA.EXE Token: 35 2092 LOUBNA.EXE Token: SeIncreaseQuotaPrivilege 2832 msdcsc.exe Token: SeSecurityPrivilege 2832 msdcsc.exe Token: SeTakeOwnershipPrivilege 2832 msdcsc.exe Token: SeLoadDriverPrivilege 2832 msdcsc.exe Token: SeSystemProfilePrivilege 2832 msdcsc.exe Token: SeSystemtimePrivilege 2832 msdcsc.exe Token: SeProfSingleProcessPrivilege 2832 msdcsc.exe Token: SeIncBasePriorityPrivilege 2832 msdcsc.exe Token: SeCreatePagefilePrivilege 2832 msdcsc.exe Token: SeBackupPrivilege 2832 msdcsc.exe Token: SeRestorePrivilege 2832 msdcsc.exe Token: SeShutdownPrivilege 2832 msdcsc.exe Token: SeDebugPrivilege 2832 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2832 msdcsc.exe Token: SeChangeNotifyPrivilege 2832 msdcsc.exe Token: SeRemoteShutdownPrivilege 2832 msdcsc.exe Token: SeUndockPrivilege 2832 msdcsc.exe Token: SeManageVolumePrivilege 2832 msdcsc.exe Token: SeImpersonatePrivilege 2832 msdcsc.exe Token: SeCreateGlobalPrivilege 2832 msdcsc.exe Token: 33 2832 msdcsc.exe Token: 34 2832 msdcsc.exe Token: 35 2832 msdcsc.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2748 DllHost.exe 2748 DllHost.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2832 msdcsc.exe 2748 DllHost.exe 2748 DllHost.exe 2748 DllHost.exe 2748 DllHost.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1600 wrote to memory of 2092 1600 44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe 30 PID 1600 wrote to memory of 2092 1600 44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe 30 PID 1600 wrote to memory of 2092 1600 44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe 30 PID 1600 wrote to memory of 2092 1600 44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe 30 PID 2092 wrote to memory of 2572 2092 LOUBNA.EXE 31 PID 2092 wrote to memory of 2572 2092 LOUBNA.EXE 31 PID 2092 wrote to memory of 2572 2092 LOUBNA.EXE 31 PID 2092 wrote to memory of 2572 2092 LOUBNA.EXE 31 PID 2092 wrote to memory of 1532 2092 LOUBNA.EXE 32 PID 2092 wrote to memory of 1532 2092 LOUBNA.EXE 32 PID 2092 wrote to memory of 1532 2092 LOUBNA.EXE 32 PID 2092 wrote to memory of 1532 2092 LOUBNA.EXE 32 PID 2572 wrote to memory of 2244 2572 cmd.exe 35 PID 2572 wrote to memory of 2244 2572 cmd.exe 35 PID 2572 wrote to memory of 2244 2572 cmd.exe 35 PID 2572 wrote to memory of 2244 2572 cmd.exe 35 PID 1532 wrote to memory of 2128 1532 cmd.exe 36 PID 1532 wrote to memory of 2128 1532 cmd.exe 36 PID 1532 wrote to memory of 2128 1532 cmd.exe 36 PID 1532 wrote to memory of 2128 1532 cmd.exe 36 PID 2092 wrote to memory of 2832 2092 LOUBNA.EXE 38 PID 2092 wrote to memory of 2832 2092 LOUBNA.EXE 38 PID 2092 wrote to memory of 2832 2092 LOUBNA.EXE 38 PID 2092 wrote to memory of 2832 2092 LOUBNA.EXE 38 -
System policy modification 1 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion msdcsc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" msdcsc.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 2128 attrib.exe 2244 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe"C:\Users\Admin\AppData\Local\Temp\44f322e2854efab6ac9b1fa2eca905693a0e30c47a868d40f9000bdfca190492.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Users\Admin\AppData\Local\LOUBNA.EXE"C:\Users\Admin\AppData\Local\LOUBNA.EXE"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\LOUBNA.EXE" +s +h3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\LOUBNA.EXE" +s +h4⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2244
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local" +s +h3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1532 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local" +s +h4⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2128
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C:\MSDCSC\msdcsc.exe"C:\MSDCSC\msdcsc.exe"3⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2832
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2748
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
7Replay Monitor
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Downloads
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Filesize
761KB
MD56a56805180f912308ce2242d9926a8c8
SHA15267b7a3291b1bece5c56468daf254555ff54cbe
SHA256cbb5d67ac6bba1ba59c9036330861f79f7623a89e668412dbae9c58bde6a1558
SHA5121d22d7be91c7c89ea30c8cf4063684f80f3901ad580f684aaa49edbd5c10df4deb8f5e691435a8821d21a4d60315cb4d4f67a292e639433ff7773e335ac1b5f1
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Filesize
15KB
MD5773985fba16578e3bd8cb0a44fb59d8c
SHA185b9752fe0f55aa0c492731632ea572ea1ecc4a3
SHA25691bdd43a4cbbb2cb739a72690646229cc8828ca5c441e7d8956d00af301a294b
SHA5123dbe8fba6a4222deda1a938a371efe7ca922a56c1cccc6f191c57ce2c4db7956b6c2e7658b32415f3f527d9ddcc6af554872115999523baff4e1c19ee7148100